Literature
Authors(s) Grant, U. S., and H. R. Gale
Year 1931
Title Catalogue of the marine Pliocene and Pleistocene Mollusca of California and adjacent regions. With notes on their morphology, classification, and nomenlature and a special treatment of the Pectinidae and the Turridae (including a few Miocene and Recent species). Together with a summary of the stratigraphic relations of the formations involved. Mem. San Diego Soc. Nat. Hist. 1: 1-1036, 32 pls.